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Finding the Fourth Proportional to 347,736,655.60, 521,604,983.40 and 347,736,655.60

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Solution

The fourth proportional to 347,736,655.60, 521,604,983.40 and 347,736,655.60 is: 521,604,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,655.60 : 521,604,983.40 = 347,736,655.60 : x
  2. Step 2: Convert to fraction form
    347,736,655.60/521,604,983.40 = 347,736,655.60/x
  3. Step 3: Cross multiply
    347,736,655.60x = 521,604,983.40 × 347,736,655.60
  4. Step 4: Simplify right side
    347,736,655.60x = 181,381,172,471,809,536
  5. Step 5: Solve for x
    x = 181,381,172,471,809,536/347,736,655.60
  6. Step 6: Final answer
    x = 521,604,983.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.